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Yosemite Upgrade, Bootcamp and Windows Gone

Upgraded to Yosemite and lost bootcamp / Windows 7 drive. I've read through numerous posts and have gone through some of the steps but one thing I've noticed is that I don't have a gap between GPT3 & 4 like other folks. Could use some advice on next steps. I don't have too much experience with Testdisk or Gdisk but should be OK to use it with some hand holding.

1. Diskutil list

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2. diskutil cs list returns "no core storage logical volume groups found"

3. sudo gpt -vv -r show /dev/disk0

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4. sudo fdisk /dev/disk0

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Also ran testdisk based on the instructions from other posts (did quick and deep search). Here are the results. I went through each partition and can't find one that shows my files.

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sudo dd if=/dev/rdisk0s4 count=1 2>/dev/null | hexdump -C

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MacBook Pro, OS X Yosemite (10.10)

Posted on Dec 2, 2014 4:51 PM

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9 replies

Dec 2, 2014 4:55 PM in response to ShowtimeSailesh

Additional info:

1. I believe when I created the bootcamp install I also resized the partition at some point down the line. But it wasn't resized for the yosemite upgrade. Also ran a deep search with Test Disk and got the following results:


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Entered "Continue" and the following was shown:

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The Mac HFS goes on for a few screens then the MS Data ones show up as below:


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Went through each MS Data partition and didn't see my files in any of them. The MS Data entry with [NO NAME] shows the following:

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Dec 3, 2014 8:22 AM in response to Loner T

The two MS Data entries just tell me there is no file system so can't see inside.


I had Time Machine running on the mac prior to upgrade to a secondary storage device. Could I use Time Machine to restore the mac back to what it was prior to the upgrade in hopes of restoring both the Mac partition and potentially the boot partition / filesystem. Or does TIme Machine only do a file level backup and not a disk level.

Dec 3, 2014 1:02 PM in response to Loner T

I'll try to see what I can recover using PhotoRec.


While trying to repair the windows partition on the macbook I've been also trying to see if I can recover the data using a backup of the WIndows partition (using a program called Acronis True Image 2014). True image is a Windows backup solution and was setup to backup the WIndows partition. I had a backup of the windows partition prior to the upgrade to Yosemite. The challenge is that I've done a restore of the WIndows partition using True Image onto a second hard drive (ran it on another windows machine which had a USB hard drive attached to it) and the partition is restored as RAW as well. Which is odd because the backups were run on the Windows installation on the bootcamp partition. So what I suspect is the backup of the Windows installation on the Macbook Pro didn't actually backup the Boot or MBR data (not sure if I'm using the write terminology) such that the partition that was backed up can't be recognized with a valid file system. The backup was set up to do a Disk backup (which I guess does a sector by sector backup of the partition).


Run across this before? I'm using PhotoRec on that restored partition as well to see what it can do.


Regarding my Time Machine question what I was hoping was to restore OSX prior to Yosemite with the hopes that it would restore the partition tables back to the way it was before the Yosemite upgrade (even though the actual data on the WIndows 7 partition isn't backed up by TIme Machine). But it sounds like that won't work as well.


Frustrating as my backup of the windows partition is not bailing me out of this problem as well.

Jan 23, 2015 8:00 PM in response to Loner T

Hi,


Just an update on my missing bootcamp drive. Although I was never able to restore the corrupted bootcamp partition back to a point where it could be booted from I was able to recover all of my files. I used a program called Minitool Power Data Recovery to recover all of my files (tried a bunch of other ones but this one was by far the only one that was successful in recovering all my files intact). It was able to interrogate the corrupted partition and see everything (including full folder structure and filenames). I used the Windows version of the application installed onto a second Windows machine and plugged the corrupted hard drive via USB enclosure. There is also a Mac version of the software but don't know if that version will fix corrupted Windows partitions.


Just an FYI as I know you've been busy helping numerous folks out and I wanted to pass this along to you in case it may help others.


Thanks again for your help.

Yosemite Upgrade, Bootcamp and Windows Gone

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